RY

Ryoichi Yamasaki

NI Nitta: 1 patents #106 of 237Top 45%
📍 Shibuya, JP: #88 of 166 inventorsTop 55%
Overall (All Time): #3,391,665 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7248173 Smoke detector Takeshi Ueno, Yasunori Oya 2007-07-24